New Delhi: The Central government on Thursday gave one year extension to both the RAW chief Samant Goel and IB head Arvind Kumar.The extension, according to an order issued by Secretary Appointment Committee of the Cabinet, Srinivas R Katikithala, is beyond their present tenure which is expiring on June 30.This, order said, has been done in relaxation ofFR 56(d) and Rule 16(1A) of All India Aervices (Death-cum-Retirement abenefits) Rule, 1958.